Records |
Author |
Kara, A.B. |
Title |
Mixed layer depth variability over the global ocean |
Type |
$loc['typeJournal Article'] |
Year |
2003 |
Publication |
Journal of Geophysical Research |
Abbreviated Journal |
J. Geophys. Res. |
Volume |
108 |
Issue |
C3 |
Pages |
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Keywords |
mixed layer; isothermal layer; seasonal cycle; temperature; salinity; verification |
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ISSN |
0148-0227 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
482 |
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Author |
Karmakar, N.; Misra, V. |
Title |
The Relation of Intraseasonal Variations With Local Onset and Demise of the Indian Summer Monsoon |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
Journal of Geophysical Research: Atmospheres |
Abbreviated Journal |
J. Geophys. Res. Atmos. |
Volume |
124 |
Issue |
5 |
Pages |
2483-2506 |
Keywords |
hydroclimatic, Indian Summer Monsoon, Intraseasonal Oscillations, eastern Indiawestward propagating |
Abstract |
Two of the most important hydroclimatic features of the Indian Summer Monsoon (ISM) rainfall are its onset/demise and Intraseasonal Oscillations (ISOs) manifested by the active‐break cycles. In this study, we aim to understand the quantitative association between these two phenomena. An objective definition of local onset/demise of the ISM based on more than a century‐long India Meteorological Department (IMD) rain‐gauge observation is taken into consideration. Using multichannel singular spectrum analysis (MSSA) we isolate northward propagating low‐ (20–60 days; LF‐ISO) and northwestward propagating high‐ (10–20 days; HF‐ISO) frequency ISOs from the daily ISM rainfall. Our results suggest that a large number of local onset (59%) and demise (62%) events occur during positive developing phases and positive decaying phases of two ISOs, respectively, with phase‐locking between LF‐ISO and HF‐ISO being particularly important. Local onset is largely associated with favorable phases of ISOs across India except for LF‐ISO over eastern India and HF‐ISO over western Ghats and central India (CI). We find that local demise is more coherent with the ISO phases, especially with HF‐ISO across the domain. We performed a case study to understand large‐scale association with the onset of the ISM over CI. In 44 of total 58 cases (1948–2005), when CI onset occurred during favorable LF‐ISO or HF‐ISO phase, they are either linked with a northward propagation of convection from the equator in LF‐ISO timescale (28 cases) or westward propagating structures from the western Pacific in HF‐ISO timescale (27 cases). |
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2169-897X |
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$loc['no'] |
Call Number |
COAPS @ user @ |
Serial |
1014 |
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Author |
Krishnamurthy, V.; Misra, V. |
Title |
Daily atmospheric variability in the South American monsoon system |
Type |
$loc['typeJournal Article'] |
Year |
2011 |
Publication |
Climate Dynamics |
Abbreviated Journal |
Clim Dyn |
Volume |
37 |
Issue |
3-4 |
Pages |
803-819 |
Keywords |
South American monsoon; ENSO; Atlantic multidecadal oscillation; Intraseasonal oscillation-MJO; NAO |
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ISSN |
0930-7575 |
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$loc['no'] |
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COAPS @ mfield @ |
Serial |
300 |
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Author |
Krishnamurti, T.N.; Jana, S.; Krishnamurti, R.; Kumar, V.; Deepa, R.; Papa, F.; Bourassa, M.A.; Ali, M.M. |
Title |
Monsoonal intraseasonal oscillations in the ocean heat content over the surface layers of the Bay of Bengal |
Type |
$loc['typeJournal Article'] |
Year |
2017 |
Publication |
Journal of Marine Systems |
Abbreviated Journal |
Journal of Marine Systems |
Volume |
167 |
Issue |
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Pages |
19-32 |
Keywords |
Intraseasonal oscillations; Ocean heat content; Bay of Bengal |
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0924-7963 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
64 |
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Author |
Li, H.; Misra, V. |
Title |
Thirty-two-year ocean-atmosphere coupled downscaling of global reanalysis over the Intra-American Seas |
Type |
$loc['typeJournal Article'] |
Year |
2014 |
Publication |
Climate Dynamics |
Abbreviated Journal |
Clim Dyn |
Volume |
43 |
Issue |
9-10 |
Pages |
2471-2489 |
Keywords |
Coupled downscaling; Reanalysis; Intra-American Seas; Interannual variability |
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0930-7575 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
134 |
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Author |
Li, H.; Misra, V. |
Title |
Global seasonal climate predictability in a two tiered forecast system. Part II: boreal winter and spring seasons |
Type |
$loc['typeJournal Article'] |
Year |
2014 |
Publication |
Climate Dynamics |
Abbreviated Journal |
Clim Dyn |
Volume |
42 |
Issue |
5-6 |
Pages |
1449-1468 |
Keywords |
ENSO; Seasonal predictability; Forecast skill |
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0930-7575 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
135 |
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Author |
Lim, Y.-K.; Kim, K.-Y. |
Title |
A New Perspective on the Climate Prediction of Asian Summer Monsoon Precipitation |
Type |
$loc['typeJournal Article'] |
Year |
2006 |
Publication |
Journal of Climate |
Abbreviated Journal |
J. Climate |
Volume |
19 |
Issue |
19 |
Pages |
4840-4853 |
Keywords |
Monsoons; Asia; Intraseasonal variability; Precipitation |
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0894-8755 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
708 |
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Author |
Michael, J.-P. |
Title |
On Initializing CGCMs for Seasonal Predictability of ENSO |
Type |
$loc['typeManuscript'] |
Year |
2014 |
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Keywords |
ENSO; Seasonal Forecasting |
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Address |
Department of Earth, Ocean and Atmospheric Science |
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Thesis |
$loc['Ph.D. thesis'] |
Publisher |
Florida State University |
Place of Publication |
Tallahassee, FL |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
166 |
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Author |
Misra, V.; Bhardwaj, A. |
Title |
Defining the Northeast Monsoon of India |
Type |
$loc['typeJournal Article'] |
Year |
2019 |
Publication |
Monthly Weather Review |
Abbreviated Journal |
Mon. Wea. Rev. |
Volume |
147 |
Issue |
3 |
Pages |
791-807 |
Keywords |
Indian Summer Monsoon, intraseasonal,Climate models, variability, NEM, rainfall |
Abstract |
This study introduces an objective definition for onset and demise of the Northeast Indian Monsoon (NEM). The definition is based on the land surface temperature analysis over the Indian subcontinent. It is diagnosed from the inflection points in the daily anomaly cumulative curve of the area-averaged surface temperature over the provinces of Andhra Pradesh, Rayalseema, and Tamil Nadu located in the southeastern part of India. Per this definition, the climatological onset and demise dates of the NEM season are 6 November and 13 March, respectively. The composite evolution of the seasonal cycle of 850hPa winds, surface wind stress, surface ocean currents, and upper ocean heat content suggest a seasonal shift around the time of the diagnosed onset and demise dates of the NEM season. The interannual variations indicate onset date variations have a larger impact than demise date variations on the seasonal length, seasonal anomalies of rainfall, and surface temperature of the NEM. Furthermore, it is shown that warm El Niño�Southern Oscillation (ENSO) episodes are associated with excess seasonal rainfall, warm seasonal land surface temperature anomalies, and reduced lengths of the NEM season. Likewise, cold ENSO episodes are likely to be related to seasonal deficit rainfall anomalies, cold land surface temperature anomalies, and increased lengths of the NEM season. |
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English |
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0027-0644 |
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$loc['no'] |
Call Number |
COAPS @ rl18 @ |
Serial |
999 |
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Author |
Misra, V.; DiNapoli, S. |
Title |
The variability of the Southeast Asian summer monsoon |
Type |
$loc['typeJournal Article'] |
Year |
2014 |
Publication |
International Journal of Climatology |
Abbreviated Journal |
Int. J. Climatol. |
Volume |
34 |
Issue |
3 |
Pages |
893-901 |
Keywords |
Monsoon onset; Monsoon demise; length of wet season; interannual variation |
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ISSN |
0899-8418 |
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$loc['no'] |
Call Number |
COAPS @ mfield @ |
Serial |
139 |
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